#28b721
a dark, vivid green · cool · closest name: green
RGB
40, 183, 33
HSL
117°, 69%, 42%
CMYK
78, 0, 82, 28
Luminance
0.3443
Every format
| HEX | #28b721 |
| RGB | rgb(40, 183, 33) |
| HSL | hsl(117, 69%, 42%) |
| CMYK | cmyk(78%, 0%, 82%, 28%) |
| LAB | lab(65.3 -62.9 59.6) |
| LCH | lch(65.3 86.6 136.5) |
| OKLCH | oklch(0.680 0.216 142.3) |
Copy-ready code
/* CSS */
color: #28b721;
background-color: #28b721;
/* Tailwind (arbitrary) */
class="text-[#28b721] bg-[#28b721]"
/* SCSS */
$brand: #28b721;
/* SwiftUI */
Color(red: 0.157, green: 0.718, blue: 0.129)
/* Android */
Color.parseColor("#28b721")Accessibility — WCAG contrast
Aa
#28b721 on white: 2.66:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#28b721 on black: 7.89:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red15.7%
Green71.8%
Blue12.9%
CMYK percentages
Cyan78.1%
Magenta0.0%
Yellow82.0%
Key (black)28.2%
Color previews
#28b721 text on a black background
contrast 7.89:1
Card sample
#28b721 text on a white background
contrast 2.66:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #28b721;
Background color
Panel with #28b721 background
background-color: #28b721;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #28b721;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(40, 183, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(40, 183, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #28b721; background: linear-gradient(135deg, #28b721, #21B77E);